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2014/10/16 ¤W¤È 08:18:21

android Programming Glossary: mactivepointerid

Android Image View Pinch Zooming

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

is the one currently moving our object. private int mActivePointerId INVALID_POINTER_ID public TouchImageViewSample Context context.. ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

float mLastTouchX private float mLastTouchY private int mActivePointerId INVALID_POINTER_ID private ScaleGestureDetector mScaleDetector.. final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

float mLastTouchX private float mLastTouchY private int mActivePointerId INVALID_POINTER_ID private ScaleGestureDetector mScaleDetector.. final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final.. final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex..

Android Image View Pinch Zooming

http://stackoverflow.com/questions/10630373/android-image-view-pinch-zooming

static final String LOG_TAG TouchImageView The ˜active pointer is the one currently moving our object. private int mActivePointerId INVALID_POINTER_ID public TouchImageViewSample Context context this context null 0 public TouchImageViewSample Context context.. case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex ev.findPointerIndex mActivePointerId final float.. y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing..

Image in Canvas with touch events

http://stackoverflow.com/questions/5743328/image-in-canvas-with-touch-events

mImage private float mPosX private float mPosY private float mLastTouchX private float mLastTouchY private int mActivePointerId INVALID_POINTER_ID private ScaleGestureDetector mScaleDetector private float mScaleFactor 1.f public MyImageView Context.. case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex ev.findPointerIndex mActivePointerId final.. y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing..

Pinch Zoom in android for an imageview?

http://stackoverflow.com/questions/6758847/pinch-zoom-in-android-for-an-imageview

mImage private float mPosX private float mPosY private float mLastTouchX private float mLastTouchY private int mActivePointerId INVALID_POINTER_ID private ScaleGestureDetector mScaleDetector private float mScaleFactor 1.f public MyImageView Context.. case MotionEvent.ACTION_DOWN final float x ev.getX final float y ev.getY mLastTouchX x mLastTouchY y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex ev.findPointerIndex mActivePointerId final.. y mActivePointerId ev.getPointerId 0 break case MotionEvent.ACTION_MOVE final int pointerIndex ev.findPointerIndex mActivePointerId final float x ev.getX pointerIndex final float y ev.getY pointerIndex Only move if the ScaleGestureDetector isn't processing..